RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Ferrihydrite
Reference:	AFPMA10
SCM Type:	CDM - (CD-)MUSIC
Ligand:	PO4<3-> - phosphate
Site Type:	»Fe-singly
Equation:	»Fe-OH<0.5-> + PO4<3-> + H<1+> ⇔ »Fe-O<-0.5+0.22>-PO3<2.22-> + H2O
LogK:	19.64 ± 0.15 LogK_{2.31 nm⁻²} (SSD-normalized): 19.71
Experiment:	Batch Sorption Experiments
Ionic Strength:	KNO3
Temperature:	298.0 K
Solid/Liquid Ratio:	1.0 g/L
pH Range:	4-10; 4.5, 7.0, 8.0, 9.0
Ligand Concentration Range:	6E-4 mol/L
Fit Method:	ECOSAT
Comment:	Option B: bidentate and nonprotonated monodentate surface complexes; Δz₀ = 0.22 and Δz₁ = -2.22 (change of the charge at respectively 0- and 1-planes, taken from [RHV07]); 0.01, 0.1, 0.5 M KNO3

1 data sets were retrieved